CN109882240A - A kind of outdoor end side pressure coal filling mining system - Google Patents
A kind of outdoor end side pressure coal filling mining system Download PDFInfo
- Publication number
- CN109882240A CN109882240A CN201910246912.XA CN201910246912A CN109882240A CN 109882240 A CN109882240 A CN 109882240A CN 201910246912 A CN201910246912 A CN 201910246912A CN 109882240 A CN109882240 A CN 109882240A
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- filling
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- piping
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Pipe Accessories (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of outdoor end side pressure coal filling mining system, including the automatic coal cutting of driving, automatic stringing, closing entrance to a lane, pipeline automatic filling, full lane monitor automatically.It when development machine tunnels coal cutting, stretches out mechanical arm dragging filling piping and advances, pipeline is automatically arranged at tunnel side bottom end, after back production, separates with development machine recession mechanical arm with filling piping, pipeline just stays in original place, that is, realizes automatic stringing；The setting monitoring pipeline on the corresponding square position of stowboard issues signal by monitoring pipeline after cemented filling material is full of tunnel, and filling pump stops pumping slurry to filling piping, to complete tunnel filling, that is, realizes that full lane monitors automatically.The technique combines consolidated fill coal winning technology and end side driving coal winning technology, comes out outdoor end side mining pressed coal using unmanned filling operation face, realizes that automation stringing, full lane monitor automatically.
Description
Technical field
The invention belongs to filling in mine production practice fields, and in particular to a kind of outdoor end side pressure coal filling mining system.
Background technique
China part open coal mine is because mining rate is big, and mining time is long, the coal resources easily exploited in Opent-pit limit
It is produced and finishes substantially.But pit side slope covers a large amount of coal resources, will cause coal resources if abandoning not adopting
Serious waste, is unfavorable for the sustainable development of coal mine, while making country by great resources loss；And the coal left it is long when
Between with oxygen contact weathering, be also easy to produce spontaneous fire, periphery natural environment and village caused to seriously threaten safely.
The main method of general recycling side slope pressure coal is to carry out end to help exploitation, but, intensity inadequate feelings imperfect in top plate
Side exploitation in end is carried out under condition be easy to cause roof large area inbreak to endanger personnel safety to damage machine；At end, side is opened
It needs to stay during adopting and sets a large amount of coal column for safeguarding mining safety, coal column, which stays, sets and will affect coal mining rate, is also easy to produce
Spontaneous fire disaster；And side exploitation in end will lead to subsidence again, management of slope is difficult.
Summary of the invention
Goal of the invention: the present invention provides a kind of outdoor end side pressure coal filling mining systems, to overcome existing mining method
Deficiency, can either realize the recycling of a large amount of coal resources, and subsidence can be reduced, it is ensured that Stope safty is steady with side slope
It is fixed.
The technical solution adopted by the present invention are as follows:
A kind of outdoor end side pressure coal filling mining system of the present invention, has a consisting of: development machine in the case where step is helped at end from
Dynamic digging laneway coal cutting, the outlet end of the hinged mechanical arm connection filling piping of the development machine, drags it and is laid in tunnel；
Filling pump outside the arrival end connection of the filling piping；The filling pumps the entrance P of external two-position three way magnetic valve, described
Two outlets A, B of two-position three way magnetic valve are separately connected filling piping and external wastewater disposal basin in tunnel；It is corresponding in tunnel
Square position on vertical drilling to goaf, bury monitoring pipeline, electrode is respectively set in the monitoring channel interior two sides for being higher by square position,
External cord to the two-position three way magnetic valve electromagnet.
Further, the mechanical arm is hingedly made of L-shaped hinged arm and clamped arm at top, described clamped
The vertical section and horizontal segment of arm are affixed；The hinged arm matching is placed on the inside of clamped arm, is hingedly made of telescopic segment and horizontal segment,
Horizontal segment is equipped with several pinned holes；
Reinforced Hoop is installed in the front end of the filling piping, and the Reinforced Hoop is welded with overhanging platform, which is provided with it is described
The pinned hole of Corresponding matching on hinged arm horizontal segment.
The telescopic segment of the hinged arm is made of the large and small pipe socket of two sections.
The monitoring pipeline is made of pvc pipe, suitable for reading to be higher by square position 200mm, two sides and the same water of square position earth's surface in pipeline
Two electrodes are symmetrically laid at flat position, electrode is mutually not turned on.
Further, a kind of outdoor end side pressure coal filling mining system of the present invention, comprising the following steps:
(1) tunnel automatic coal cutting: development machine tunnels coal cutting automatically, and coal transports tunnel by rubber conveyer；
(2) automatic stringing: development machine stretches out mechanical arm and drags filling piping, constantly promotes with development machine, and filling piping is certainly
It is dynamic to be arranged in tunnel side bottom end, when development machine is pushed into stop adopting line, stop coal cutting, equipment withdraws from filling lane, and filling piping is stayed
In tunnel；
(3) it closes entrance to a lane: setting up filling bag in roadway entry, utilize filling bag filling expansion, enclosing tunnel entrance；
(4) pipeline automatic filling: filling pump is opened, progress pipeline water-filling, mortar pushes away water, cemented filling material pushes away mortar, pump
Send cemented filling material each filling procedure；
(5) full lane monitors automatically: after cemented filling material is full of tunnel, cemented filling material, connection are full of in monitoring pipeline
Two lateral electrodes issue signal to two-position three way magnetic valve by monitoring pipeline, and control filling pump, which stops pumping to filling piping, expects
Slurry realizes that full lane monitors automatically, completes tunnel filling.
Further, the automatic stringing technique are as follows:
Before development machine enters tunnel, the hinged arm and Reinforced Hoop of mechanical arm are assembled with pin, when development machine advances,
Mechanical arm is linked together with Reinforced Hoop, dragging filling piping advance forward, to back production after, clamped arm is dropped back with development machine,
Its pin supported gradually falls off, and final hinged arm is separated with Reinforced Hoop, and filling piping just stays in original place.
Further, the full lane monitors technique automatically are as follows:
When tunnel is unfilled full, monitors in pipeline without cemented filling material, be not turned between two electrodes, two-position three way
Solenoid valve is in normal position state, i.e. filling pump is connect with filling piping, carries out tunnel filling；After tunnel is full of, the monitoring pipe
Be full of cemented filling material in road, be connected between two electrodes, two-position three way magnetic valve is in obtain electrical excitation state, i.e., filling pump with
Wastewater disposal basin connection, interior cemented filling material are passed through wastewater disposal basin, and tunnel filling terminates.
The utility model has the advantages that a kind of outdoor end side pressure coal filling mining system provided by the invention has compared with prior art
Following advantage:
(1) it present invention incorporates the consolidated fill coal winning technology and end side driving coal winning technology for well industrial and mineral, solves
Opencut end is helped to cover the recycling problem of coal resources, improves resource recovery.
(2) present invention realizes coal mining, filling automation, and working face is unmanned, can effectively improve working surface production effect
Rate and production security reduce production cost and labor intensity of workers.
(3) scale of the present invention has handled the solid waste such as spoil and casting, meets the requirement of Green Mine development；Subtract
Lack end side exploitation bring subsidence, meets the requirement for keeping slope stability.
Detailed description of the invention
Fig. 1 is the outdoor end side mining pressed coal process schematic representation of the present invention；
Fig. 2 is the outdoor end side pressure coal filling process schematic diagram of the present invention；
Fig. 3 is the clamped arm schematic diagram of the present invention；
Fig. 4 is the hinged arm schematic diagram of the present invention；
Fig. 5 is Reinforced Hoop schematic diagram of the present invention；
Fig. 6 is present invention monitoring pipeline schematic diagram；
Fig. 7 is mechanical arm dragging pipeline schematic diagram of the present invention；
Fig. 8 is that mechanical arm of the present invention is detached from pipeline schematic diagram；
Fig. 9 is the full lane Automatic monitoring principle schematic diagram of the present invention；
In figure: 1, development machine, 2, end side step, 3, tunnel, 4, end side pressure coal, 5, filling piping, 6, filling bag, 7, filling
Pump, 8, monitoring pipeline, 9, wastewater disposal basin, 10, Reinforced Hoop, 11, overhanging platform, 12, mechanical arm, 121, hinged arm, 122, clamped arm,
13, pin, 141, electrode a, 142, electrode b, 15, slurry bucket, 16, two-position three way magnetic valve, 17, electromagnet.
Specific embodiment
The present invention provides a kind of outdoor end side pressure coal filling mining technique, can either realize the recycling of a large amount of coal resources,
Subsidence can be reduced again, it is ensured that Stope safty and stability of slope.
The present invention will be further explained with reference to the accompanying drawing.
A kind of outdoor end side pressure coal filling mining system of the present invention, as shown in Figure 1, 2, have consisting of: development machine 1 exists
Automatic digging laneway 3 under end side step 2, exploitation end side pressure coal 4, coal by 1 raking pawl of development machine is packed into middle part scraper-trough conveyer, and to go to adhesive tape defeated
It sending on machine, and tunnel 3 is transported by rubber conveyer, the hinged mechanical arm of the development machine 1 connects the outlet end of filling piping, with
Development machine 1 constantly promotes, and drags it and is laid in tunnel 3；Filling pump 7 outside the arrival end connection of the filling piping 5；Institute
The entrance P of filling 7 external two-position three way magnetic valves 16 of pump is stated, two outlets A, B of the two-position three way magnetic valve 16 connect respectively
Connect the filling piping 5 in tunnel and external wastewater disposal basin 9；Vertical drilling buries prison to goaf on the corresponding square position in tunnel 3
Electrode, external cord to the two-position three way magnetic valve is respectively set in test tube road 8, the 8 inside two sides of monitoring pipeline for being higher by square position
16 electromagnet 17.
Further, the mechanical arm 12 is hingedly made of L-shaped hinged arm 121 and clamped arm 122 at top,
The vertical section and horizontal segment of the clamped arm 122 are affixed, as shown in Figure 3；The matching of hinged arm 121 is placed in clamped arm 122
Side is hingedly made of telescopic segment and horizontal segment, and horizontal segment is equipped with several pinned holes, as shown in Figure 4；
The telescopic segment of the hinged arm is made of the large and small pipe socket of two sections.
Reinforced Hoop 10 is installed in the front end of the filling piping 5, as shown in figure 5, the Reinforced Hoop 10 is welded with overhanging platform
11, it which is provided with the pinned hole with Corresponding matching on hinged 121 horizontal segment of arm；
The monitoring pipeline 8 is made of pvc pipe, suitable for reading to be higher by square position 200mm, two sides and the same water of square position earth's surface in pipeline
Two electrodes are symmetrically laid at flat position, electrode is mutually not turned on, as shown in Figure 6.
Further, a kind of outdoor end side pressure coal filling mining system of the present invention, comprising the following steps:
(1) tunnel automatic coal cutting: driving coal cutting, coal transport tunnel 3 by rubber conveyer to development machine 1 automatically；
(2) automatic stringing: development machine 1 stretches out mechanical arm 12 and drags filling piping 5, constantly promotes with development machine, filling pipe
Road 5 is automatically arranged at 3 side bottom end of tunnel, when development machine 1 is pushed into stop adopting line, stop coal cutting, voluntarily retreated using unit and
Development machine 1 and rubber conveyer are withdrawn from into tunnel 3 in a manner of drawing outside loading machine auxiliary force, filling piping 5 stays in tunnel；
(3) it closes entrance to a lane: setting up filling bag 6 in roadway entry, utilize filling bag filling expansion, enclosing tunnel entrance；
(4) pipeline automatic filling: filling pump 7 is opened, progress pipeline water-filling, mortar pushes away water, cemented filling material pushes away mortar, pump
Send cemented filling material each filling procedure；
(5) full lane monitors automatically: after cemented filling material is full of tunnel, cemented filling material, connection are full of in monitoring pipeline
Two lateral electrodes issue signal to two-position three way magnetic valve 16 by monitoring pipeline, and control filling pump 7 stops pumping to filling piping 5
Feeding slurry realizes that full lane monitors automatically, completes tunnel filling.
Further, the automatic stringing technique are as follows:
Before development machine 1 enters tunnel 3, the hinged arm 121 of mechanical arm 12 and the pin 13 of Reinforced Hoop 10 are assembled, dug
When advancing into machine 1, mechanical arm 12 is linked together with Reinforced Hoop 10, and dragging filling piping 5 is advanced forward, as shown in Figure 7；To back production
After, clamped arm 122 is dropped back with development machine 1, and the pin 13 of support gradually falls off, final hinged arm 121 and Reinforced Hoop 10
Separation, filling piping 5 just stay in original place, as shown in Figure 8.
Further, the full lane monitors technique automatically are as follows:
When tunnel is unfilled full, monitors in pipeline 8 without cemented filling material, be not turned between two electrodes, two three
Three-way electromagnetic valve 16 is in normal position state, i.e., filling pump 7 is connect with filling piping 5, carries out tunnel filling；It is described after tunnel is full of
It monitoring and is full of cemented filling material in pipeline 8, be connected between two electrodes, two-position three way magnetic valve 16 is in obtain electrical excitation state,
I.e. filling pump 7 is connect with wastewater disposal basin 9, and interior cemented filling material is passed through wastewater disposal basin 9, and tunnel filling terminates, as shown in Figure 9.
Claims (7)
1. a kind of outdoor end side pressure coal filling mining system, which is characterized in that development machine (1) is helped to dig automatically under step (2) at end
Into tunnel (3) coal cutting, the outlet end of hinged mechanical arm (12) connection filling piping (5) of the development machine (1) drags its laying
In tunnel (3)；Filling outside the arrival end connection of the filling piping (5) pumps (7)；
Two of the entrance P of the filling pump (7) external two-position three way magnetic valve (16), the two-position three way magnetic valve (16) go out
Mouth A, B are separately connected filling piping (5) and external wastewater disposal basin (9) in tunnel；
Vertical drilling buries monitoring pipeline (8), is higher by the monitoring pipeline of square position to goaf on tunnel (3) corresponding square position
(8) electrode, the electromagnet (17) of external cord to the two-position three way magnetic valve (16) is respectively set in internal two sides.
2. a kind of outdoor end side pressure coal filling mining system according to claim 1, which is characterized in that the mechanical arm
(12) be hingedly made of L-shaped hinged arm (121) and clamped arm (122) at top, the clamped arm (122) it is vertical
Section and horizontal segment are affixed；Hinged arm (121) matching is placed on the inside of clamped arm (122), by hinged group of telescopic segment and horizontal segment
At horizontal segment is equipped with several pinned holes；
Reinforced Hoop (10) are installed in the front end of the filling piping (5), and the Reinforced Hoop (10) is welded with overhanging platform (11), thereon
Equipped with the pinned hole with Corresponding matching on hinged arm (121) horizontal segment.
3. a kind of outdoor end side pressure coal filling mining system according to claim 2, which is characterized in that the hinged arm
(121) telescopic segment is made of the large and small pipe socket of two sections.
4. a kind of outdoor end side pressure coal filling mining system according to claim 1, which is characterized in that the monitoring pipeline
(8) it is made of pvc pipe, it is suitable for reading to be higher by square position 200mm, it is symmetrically laid at two sides and the position of square position earth's surface same level in pipeline
Two electrodes, electrode are mutually not turned on.
5. a kind of production practice of outdoor end side pressure coal filling mining system according to claim 1 to 4, feature
It is, comprising the following steps:
(1) tunnel automatic coal cutting: development machine (1) tunnels coal cutting automatically, and coal transports tunnel (3) by rubber conveyer；
(2) automatic stringing: development machine (1) stretches out mechanical arm (12) dragging filling piping (5), constantly promotes with development machine, fills
Pipeline (5) is automatically arranged at tunnel (3) side bottom end, when development machine (1) is pushed into stop adopting line, stops coal cutting, equipment, which is withdrawn from, fills
Lane is filled out, filling piping (5) stays in tunnel；
(3) it closes entrance to a lane: setting up filling bag (6) in roadway entry, utilize filling bag filling expansion, enclosing tunnel entrance；
(4) pipeline automatic filling: filling pump (7) is opened, progress pipeline water-filling, mortar pushes away water, cemented filling material pushes away mortar, pumping
Each filling procedure of cemented filling material；
(5) full lane monitors automatically: after cemented filling material is full of tunnel, being full of cemented filling material in monitoring pipeline, is connected to two sides
Electrode issues signal to two-position three way magnetic valve (16) by monitoring pipeline, and control filling pump (7) stops to filling piping (5)
Slurry is pumped, realizes that full lane monitors automatically, completes tunnel filling.
6. a kind of production practice of outdoor end side pressure coal filling mining system according to claim 5, which is characterized in that from
Dynamic stringing technique are as follows:
Before development machine (1) enters tunnel (3), the hinged arm (121) of mechanical arm (12) and Reinforced Hoop (10) are used into pin (13) group
It loads, when development machine (1) advances, mechanical arm (12) is linked together with Reinforced Hoop (10), drags filling piping (5) Xiang Qianhang
Into, to back production after, clamped arm (122) is dropped back with development machine (1), and the pin (13) of support gradually falls off, final hinged
Arm (121) is separated with Reinforced Hoop (10), and filling piping (5) just stays in original place.
7. a kind of production practice of outdoor end side pressure coal filling mining system according to claim 5, which is characterized in that full
Lane monitors technique automatically are as follows:
When tunnel is unfilled full, without cemented filling material in monitoring pipeline (8), it is not turned between two electrodes, two-position three way
Solenoid valve (16) is in normal position state, i.e., filling pump (7) is connect with filling piping (5), carries out tunnel filling；
After tunnel is full of, it is full of cemented filling material in the monitoring pipeline (8), is connected between two electrodes, two-position three way electricity
Magnet valve (16) is in obtain electrical excitation state, i.e., filling pump (7) is connect with wastewater disposal basin (9), and interior cemented filling material is passed through waste water
Pond (9), tunnel filling terminates.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246912.XA CN109882240B (en) | 2019-03-29 | 2019-03-29 | Open-air end slope coal-pressing filling mining system |
| PCT/CN2019/109879 WO2020199546A1 (en) | 2019-03-29 | 2019-10-08 | Pressed coal filling mining system and process for end slope of open pit |
| AU2019439785A AU2019439785B2 (en) | 2019-03-29 | 2019-10-08 | Pressed coal filling mining system and process for end slope of open pit |
| RU2020136147A RU2756537C1 (en) | 2019-03-29 | 2019-10-08 | System for development of cemented coal and process of open mining on a longitudinal slope |
| ZA2020/06726A ZA202006726B (en) | 2019-03-29 | 2020-10-28 | Pressed coal filling mining system and process for end slope of open pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246912.XA CN109882240B (en) | 2019-03-29 | 2019-03-29 | Open-air end slope coal-pressing filling mining system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882240A true CN109882240A (en) | 2019-06-14 |
| CN109882240B CN109882240B (en) | 2020-04-14 |
Family
ID=66935120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910246912.XA Active CN109882240B (en) | 2019-03-29 | 2019-03-29 | Open-air end slope coal-pressing filling mining system |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN109882240B (en) |
| AU (1) | AU2019439785B2 (en) |
| RU (1) | RU2756537C1 (en) |
| WO (1) | WO2020199546A1 (en) |
| ZA (1) | ZA202006726B (en) |
Cited By (8)
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| CN110284883A (en) * | 2019-07-08 | 2019-09-27 | 中国矿业大学 | Recovery method is filled by a kind of row of adopting, open coal mine end side |
| CN111075505A (en) * | 2019-12-17 | 2020-04-28 | 天地科技股份有限公司 | Coal mine fully-mechanized coal mining face segmented filling mining method |
| CN111236943A (en) * | 2020-02-27 | 2020-06-05 | 中煤能源研究院有限责任公司 | Mining method for advancing, cutting and retreating filling of open-air end slope |
| CN111364998A (en) * | 2020-03-12 | 2020-07-03 | 中煤能源研究院有限责任公司 | Single-side edge filling and tunneling mining method for open-pit mine end slope coal pressing |
| CN111396055A (en) * | 2020-03-24 | 2020-07-10 | 中煤科工集团沈阳设计研究院有限公司 | Method for arranging side coal pressing mining chamber of strip mine |
| WO2020199546A1 (en) * | 2019-03-29 | 2020-10-08 | 中国矿业大学 | Pressed coal filling mining system and process for end slope of open pit |
| CN112855162A (en) * | 2021-01-29 | 2021-05-28 | 辽宁工程技术大学 | Mining method for upper coal seam of composite coal seam strip mine near extraction end slope |
| CN112963618A (en) * | 2021-05-19 | 2021-06-15 | 中煤科工能源科技发展有限公司 | Method and device for long-distance laying and continuous filling of filling pipeline of side coal mining cave |
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Also Published As
| Publication number | Publication date |
|---|---|
| ZA202006726B (en) | 2021-09-29 |
| AU2019439785A1 (en) | 2020-11-19 |
| AU2019439785B2 (en) | 2021-09-16 |
| RU2756537C1 (en) | 2021-10-01 |
| WO2020199546A1 (en) | 2020-10-08 |
| CN109882240B (en) | 2020-04-14 |
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